| http://www.w3.org/ns/prov#value | - Thus, the 50 sq.m array will pay back in 8.25 years, if lost interest is ignored or is offset against increased prices. ???SANTA CLARA, California - Demand for glass solar cells will grow at double that for those based on traditional silicon as cheaper price offsets a less-efficient design, the head of Applied Materials' solar unit said Friday.
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